31464720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{2081}}^1$

素因数の和:2110

約数の個数: 160

約数和(自身を含む): 123920640

約数和(自身を除く): 92455920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2081, 2160, 2520, 3024, 3780, 4162, 5040, 6243, 7560, 8324, 10405, 12486, 14567, 15120, 16648, 18729, 20810, 24972, 29134, 31215, 33296, 37458, 41620, 43701, 49944, 56187, 58268, 62430, 72835, 74916, 83240, 87402, 93645, 99888, 112374, 116536, 124860, 131103, 145670, 149832, 166480, 174804, 187290, 218505, 224748, 233072, 249720, 262206, 280935, 291340, 299664, 349608, 374580, 393309, 437010, 449496, 499440, 524412, 561870, 582680, 655515, 699216, 749160, 786618, 874020, 898992, 1048824, 1123740, 1165360, 1311030, 1498320, 1573236, 1748040, 1966545, 2097648, 2247480, 2622060, 3146472, 3496080, 3933090, 4494960, 5244120, 6292944, 7866180, 10488240, 15732360, 31464720]

約数ペア:

[(1, 31464720), (2, 15732360), (3, 10488240), (4, 7866180), (5, 6292944), (6, 5244120), (7, 4494960), (8, 3933090), (9, 3496080), (10, 3146472), (12, 2622060), (14, 2247480), (15, 2097648), (16, 1966545), (18, 1748040), (20, 1573236), (21, 1498320), (24, 1311030), (27, 1165360), (28, 1123740), (30, 1048824), (35, 898992), (36, 874020), (40, 786618), (42, 749160), (45, 699216), (48, 655515), (54, 582680), (56, 561870), (60, 524412), (63, 499440), (70, 449496), (72, 437010), (80, 393309), (84, 374580), (90, 349608), (105, 299664), (108, 291340), (112, 280935), (120, 262206), (126, 249720), (135, 233072), (140, 224748), (144, 218505), (168, 187290), (180, 174804), (189, 166480), (210, 149832), (216, 145670), (240, 131103), (252, 124860), (270, 116536), (280, 112374), (315, 99888), (336, 93645), (360, 87402), (378, 83240), (420, 74916), (432, 72835), (504, 62430), (540, 58268), (560, 56187), (630, 49944), (720, 43701), (756, 41620), (840, 37458), (945, 33296), (1008, 31215), (1080, 29134), (1260, 24972), (1512, 20810), (1680, 18729), (1890, 16648), (2081, 15120), (2160, 14567), (2520, 12486), (3024, 10405), (3780, 8324), (4162, 7560), (5040, 6243)]